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authorDavid S. Miller <davem@davemloft.net>2010-12-08 13:15:38 -0800
committerDavid S. Miller <davem@davemloft.net>2010-12-08 13:47:38 -0800
commitfe6c791570efe717946ea7b7dd50aec96b70d551 (patch)
tree1becb5e8aea7a9c9a7d78f987bd73b0a5d8ee434 /net/ipv6/ip6_tunnel.c
parentf8bf5681cf15f77692c8ad8cb95d059ff7c622c9 (diff)
parentf19872575ff7819a3723154657a497d9bca66b33 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/ath/ath9k/ar9003_eeprom.c net/llc/af_llc.c
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b1155554bb18..4f4483e697bd 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1173,6 +1173,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
sizeof (struct ipv6hdr);
dev->mtu = rt->rt6i_dev->mtu - sizeof (struct ipv6hdr);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu-=8;
if (dev->mtu < IPV6_MIN_MTU)
dev->mtu = IPV6_MIN_MTU;
@@ -1361,12 +1363,17 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
static void ip6_tnl_dev_setup(struct net_device *dev)
{
+ struct ip6_tnl *t;
+
dev->netdev_ops = &ip6_tnl_netdev_ops;
dev->destructor = ip6_dev_free;
dev->type = ARPHRD_TUNNEL6;
dev->hard_header_len = LL_MAX_HEADER + sizeof (struct ipv6hdr);
dev->mtu = ETH_DATA_LEN - sizeof (struct ipv6hdr);
+ t = netdev_priv(dev);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu-=8;
dev->flags |= IFF_NOARP;
dev->addr_len = sizeof(struct in6_addr);
dev->features |= NETIF_F_NETNS_LOCAL;